Aptitude Practice Question and Answer

Q:

यदि△ABC ∼ △EDF इस प्रकार है कि AB = 6 सेमी, DF = 16 सेमी और DE = 8 सेमी, तो BC की लंबाई है:

994 0

  • 1
    8 सेमी
    Correct
    Wrong
  • 2
    10 सेमी
    Correct
    Wrong
  • 3
    12 सेमी
    Correct
    Wrong
  • 4
    14 सेमी
    Correct
    Wrong
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Answer : 3. "12 सेमी"

Q:

$${secθ+tanθ\over secθ-tanθ}={5\over 3}$$  है, तो sinθ का मान किसके बराबर है।

993 0

  • 1
    $${1\over 4}$$
    Correct
    Wrong
  • 2
    $${1\over 3}$$
    Correct
    Wrong
  • 3
    $${2\over 3}$$
    Correct
    Wrong
  • 4
    $${3\over 4}$$
    Correct
    Wrong
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Answer : 1. "$${1\over 4}$$"

Q:

यदि $${5x-{5\over x}+6=0}$$, तो $$x^2+{1\over x^2}$$ है

993 0

  • 1
    $$86\over11$$
    Correct
    Wrong
  • 2
    $$43\over12$$
    Correct
    Wrong
  • 3
    $$86\over25$$
    Correct
    Wrong
  • 4
    $$81\over10$$
    Correct
    Wrong
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Answer : 3. "$$86\over25$$"

Q:

द्विघात बहुपद x2+7x+ 10 के शून्यकों का गुणनफल है

992 0

  • 1
    12
    Correct
    Wrong
  • 2
    10
    Correct
    Wrong
  • 3
    32
    Correct
    Wrong
  • 4
    42
    Correct
    Wrong
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Answer : 2. "10"

Q:

यदि $$a+{1\over a}=5$$, तो $$a^3+{1\over a^3}$$ का मान क्या है

992 0

  • 1
    110
    Correct
    Wrong
  • 2
    15
    Correct
    Wrong
  • 3
    105
    Correct
    Wrong
  • 4
    -10
    Correct
    Wrong
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Answer : 1. "110 "

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